Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/a87b459b88b78bc7a49c7983a17fe5da.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 worm-gear case例句_worm-gear case英汉例句_worm-gear case双解例句_贰靶汉英词典
Foundry technologies of the large-scale worm gear case formed by using lots of cores in impression and appearance are designed by analysis of casting structural characteristics. 大型蜗轮箱体铸件结构复杂，大量使用型芯做出型腔和型体。